Ammonium Oxalate Monohydrate, Puriss. p.a., ACS Reagent, Rea

Name: Ammonium oxalate monohydrate
Synonymn: Oxalic acid diammonium salt
Description: Puriss. p.a., ACS Reagent, Reagent ISO, Reagent European Pharmacopoeia, 99.5-101.0%

Container Type: Plastic Bottle

Molar Mass: 142.11 g/mol

Empirical Formula: C₂H₈N₂O₄ · H₂O
Linear Formula: (NH₄)₂C₂O₄ · H₂O

CAS Number: 6009-70-7
Bielstein Registry Number: 3759830
MDL Number: MFCD00149694
RTECS Number: 238-135-4

SPECIFICATIONS

Assay: 99.5 - 101.0 %
Water insoluble matter: max. 0.005 %
Residue on ignition (SO₄): max. 0.02 %
pH (2.5 %, 20 °C): 6 - 7
Calcium (Ca): max. 0.001 %
Cadmium (Cd): max. 0.0005 %
Copper (Cu): max. 0.0005 %
Iron (Fe): max. 0.0002 %
Potassium (K): max. 0.001 %
Magnesium (Mg): max. 0.001 %
Sodium (Na): max. 0.001 %
Lead (Pb): max. 0.0005 %
Zinc (Zn): max. 0.0005 %
Heavy metals (as Pb): max. 0.0005 %
Chloride (Cl): max. 0.0005 %
Nitrate (NO₃): max. 0.0005 %
Sulfate (SO₄): max. 0.002 %
Solution 10 g to 200 mL (H₂O): complying



PHYSICAL PROPERTIES

Ignition Residue: ≤0.02% (as SO₄)

Freezing Point: 133 °C
Density: 1.480 g/cm3



SAFETY INFORMATION

Signal Word: Warning

GHS Classification:
Harmful (GHS07)

Hazard Statement(s):
Harmful if swallowed (H302)
Harmful in contact with skin (H312)

Precautionary Statement(s):
Wear protective gloves/protective clothing/eye protection/face protection (P280)

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